| /* |
| * (C) Copyright 2000 |
| * Murray Jensen <Murray.Jensen@cmst.csiro.au> |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| /* |
| * Config header file for Cogent platform using an MPC8xx CPU module |
| */ |
| |
| #ifndef __CONFIG_H |
| #define __CONFIG_H |
| |
| /* |
| * High Level Configuration Options |
| * (easy to change) |
| */ |
| |
| #define CONFIG_MPC860 1 /* This is an MPC860 CPU */ |
| #define CONFIG_COGENT 1 /* using Cogent Modular Architecture */ |
| |
| #define CONFIG_MISC_INIT_F 1 /* Use misc_init_f() */ |
| |
| /* Cogent Modular Architecture options */ |
| #define CONFIG_CMA286_60_OLD 1 /* ...on an old CMA286-60 CPU module */ |
| #define CONFIG_CMA102 1 /* ...on a CMA102 motherboard */ |
| #define CONFIG_CMA302 1 /* ...with a CMA302 flash I/O module */ |
| |
| /* serial console configuration */ |
| #undef CONFIG_8xx_CONS_SMC1 |
| #undef CONFIG_8xx_CONS_SMC2 |
| #define CONFIG_8xx_CONS_NONE /* not on 8xx serial ports (eg on cogent m/b) */ |
| |
| #if defined(CONFIG_CMA286_60_OLD) |
| #define CONFIG_8xx_GCLK_FREQ 33333000 /* define if cant use get_gclk_freq */ |
| #endif |
| |
| #define CONFIG_BAUDRATE 230400 |
| |
| #define CONFIG_HARD_I2C /* I2C with hardware support */ |
| #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ |
| #define CFG_I2C_SLAVE 0x7F |
| |
| |
| #define CONFIG_COMMANDS ((CONFIG_CMD_DFL | CFG_CMD_KGDB | CFG_CMD_I2C) & ~CFG_CMD_NET) |
| |
| /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
| #include <cmd_confdefs.h> |
| |
| #if 0 |
| #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ |
| #else |
| #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ |
| #endif |
| #define CONFIG_BOOTCOMMAND "bootm 04080000 04200000" /* autoboot command*/ |
| |
| #define CONFIG_BOOTARGS "root=/dev/ram rw" |
| |
| #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| #undef CONFIG_KGDB_ON_SMC /* define if kgdb on SMC */ |
| #undef CONFIG_KGDB_ON_SCC /* define if kgdb on SCC */ |
| #define CONFIG_KGDB_NONE /* define if kgdb on something else */ |
| #define CONFIG_KGDB_INDEX 2 /* which SMC/SCC channel for kgdb */ |
| #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */ |
| #endif |
| |
| #define CONFIG_WATCHDOG /* turn on platform specific watchdog */ |
| |
| /* |
| * Miscellaneous configurable options |
| */ |
| #define CFG_LONGHELP /* undef to save memory */ |
| #define CFG_PROMPT "=> " /* Monitor Command Prompt */ |
| #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ |
| #else |
| #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
| #endif |
| #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ |
| #define CFG_MAXARGS 16 /* max number of command args */ |
| #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
| |
| #define CFG_MEMTEST_START 0x00400000 /* memtest works on */ |
| #define CFG_MEMTEST_END 0x01c00000 /* 4 ... 28 MB in DRAM */ |
| |
| #define CFG_LOAD_ADDR 0x100000 /* default load address */ |
| |
| #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ |
| |
| #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 } |
| |
| #define CFG_ALLOC_DPRAM |
| |
| /* |
| * Low Level Configuration Settings |
| * (address mappings, register initial values, etc.) |
| * You should know what you are doing if you make changes here. |
| */ |
| |
| /*----------------------------------------------------------------------- |
| * Low Level Cogent settings |
| * if CFG_CMA_CONS_SERIAL is defined, make sure the 8xx CPM serial is not. |
| * also, make sure CONFIG_CONS_INDEX is still defined - the index will be |
| * 1 for serialA, 2 for serialB, 3 for ser2A, 4 for ser2B |
| * (second 2 for CMA120 only) |
| */ |
| #define CFG_CMA_MB_BASE 0x00000000 /* base of m/b address space */ |
| |
| #include <configs/cogent_common.h> |
| |
| #define CFG_CMA_CONS_SERIAL /* use Cogent motherboard serial for console */ |
| #define CONFIG_CONS_INDEX 1 |
| #define CFG_CMA_LCD_HEARTBEAT /* define for sec rotator in lcd corner */ |
| #define CONFIG_SHOW_ACTIVITY |
| #if (CMA_MB_CAPS & CMA_MB_CAP_FLASH) |
| /* |
| * flash exists on the motherboard |
| * set these four according to TOP dipsw: |
| * TOP on => ..._FLLOW_... (boot EPROM space is high so FLASH is low ) |
| * TOP off => ..._FLHIGH_... (boot EPROM space is low so FLASH is high) |
| */ |
| #define CMA_MB_FLASH_EXEC_BASE CMA_MB_FLLOW_EXEC_BASE |
| #define CMA_MB_FLASH_EXEC_SIZE CMA_MB_FLLOW_EXEC_SIZE |
| #define CMA_MB_FLASH_RDWR_BASE CMA_MB_FLLOW_RDWR_BASE |
| #define CMA_MB_FLASH_RDWR_SIZE CMA_MB_FLLOW_RDWR_SIZE |
| #endif |
| #define CMA_MB_FLASH_BASE CMA_MB_FLASH_EXEC_BASE |
| #define CMA_MB_FLASH_SIZE CMA_MB_FLASH_EXEC_SIZE |
| |
| /*----------------------------------------------------------------------- |
| * Internal Memory Mapped Register |
| */ |
| #define CFG_IMMR 0xFF000000 |
| |
| /*----------------------------------------------------------------------- |
| * Definitions for initial stack pointer and data area (in DPRAM) |
| */ |
| #define CFG_INIT_RAM_ADDR CFG_IMMR |
| #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ |
| #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ |
| #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) |
| #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET |
| |
| /*----------------------------------------------------------------------- |
| * Start addresses for the final memory configuration |
| * (Set up by the startup code) |
| * Please note that CFG_SDRAM_BASE _must_ start at 0 |
| */ |
| #define CFG_SDRAM_BASE CMA_MB_RAM_BASE |
| #ifdef CONFIG_CMA302 |
| #define CFG_FLASH_BASE CMA_MB_SLOT2_BASE /* cma302 in slot 2 */ |
| #else |
| #define CFG_FLASH_BASE CMA_MB_FLASH_BASE /* flash on m/b */ |
| #endif |
| #define CFG_MONITOR_BASE TEXT_BASE |
| #define CFG_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */ |
| #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ |
| |
| /* |
| * For booting Linux, the board info and command line data |
| * have to be in the first 8 MB of memory, since this is |
| * the maximum mapped by the Linux kernel during initialization. |
| */ |
| #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
| /*----------------------------------------------------------------------- |
| * FLASH organization |
| */ |
| #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ |
| #define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */ |
| |
| #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
| #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ |
| |
| #define CFG_ENV_IS_IN_FLASH 1 |
| #define CFG_ENV_ADDR CFG_FLASH_BASE /* Addr of Environment Sector */ |
| #ifdef CONFIG_CMA302 |
| #define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */ |
| #define CFG_ENV_SECT_SIZE (512*1024) /* see README - env sect real size */ |
| #else |
| #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ |
| #endif |
| /*----------------------------------------------------------------------- |
| * Cache Configuration |
| */ |
| #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
| #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
| #endif |
| |
| |
| /*----------------------------------------------------------------------- |
| * SYPCR - System Protection Control 11-9 |
| * SYPCR can only be written once after reset! |
| *----------------------------------------------------------------------- |
| * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze |
| */ |
| #if defined(CONFIG_WATCHDOG) |
| #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ |
| SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) |
| #else |
| #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) |
| #endif /* CONFIG_WATCHDOG */ |
| |
| /*----------------------------------------------------------------------- |
| * SIUMCR - SIU Module Configuration 11-6 |
| *----------------------------------------------------------------------- |
| * PCMCIA config., multi-function pin tri-state |
| */ |
| #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) |
| |
| /*----------------------------------------------------------------------- |
| * TBSCR - Time Base Status and Control 11-26 |
| *----------------------------------------------------------------------- |
| * Clear Reference Interrupt Status, Timebase freezing enabled |
| */ |
| #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) |
| |
| /*----------------------------------------------------------------------- |
| * PISCR - Periodic Interrupt Status and Control 11-31 |
| *----------------------------------------------------------------------- |
| * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled |
| */ |
| #define CFG_PISCR (PISCR_PS | PISCR_PITF) |
| |
| /*----------------------------------------------------------------------- |
| * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 |
| *----------------------------------------------------------------------- |
| * Reset PLL lock status sticky bit, timer expired status bit and timer |
| * interrupt status bit - leave PLL multiplication factor unchanged ! |
| */ |
| #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) |
| |
| /*----------------------------------------------------------------------- |
| * SCCR - System Clock and reset Control Register 15-27 |
| *----------------------------------------------------------------------- |
| * Set clock output, timebase and RTC source and divider, |
| * power management and some other internal clocks |
| */ |
| #define SCCR_MASK SCCR_EBDF11 |
| #define CFG_SCCR (SCCR_TBS | SCCR_RTDIV | SCCR_RTSEL | \ |
| SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ |
| SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ |
| SCCR_DFALCD00) |
| |
| /*----------------------------------------------------------------------- |
| * PCMCIA stuff |
| *----------------------------------------------------------------------- |
| * |
| */ |
| #define CFG_PCMCIA_MEM_ADDR (0xE0000000) |
| #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) |
| #define CFG_PCMCIA_DMA_ADDR (0xE4000000) |
| #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) |
| #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) |
| #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) |
| #define CFG_PCMCIA_IO_ADDR (0xEC000000) |
| #define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) |
| |
| /*----------------------------------------------------------------------- |
| * |
| *----------------------------------------------------------------------- |
| * |
| */ |
| /*#define CFG_DER 0x2002000F*/ |
| #define CFG_DER 0 |
| |
| #if defined(CONFIG_CMA286_60_OLD) |
| |
| /* |
| * Init Memory Controller: |
| * |
| * NOTE: although the names (CFG_xRn_PRELIM) suggest preliminary settings, |
| * they are actually the final settings for this cpu/board, because the |
| * flash and RAM are on the motherboard, accessed via the CMAbus, and the |
| * mappings are pretty much fixed. |
| * |
| * (the *_SIZE vars must be a power of 2) |
| */ |
| |
| #define CFG_CMA_CS0_BASE TEXT_BASE /* EPROM */ |
| #define CFG_CMA_CS0_SIZE (1 << 20) |
| #define CFG_CMA_CS1_BASE CMA_MB_RAM_BASE /* RAM + I/O SLOT 1 */ |
| #define CFG_CMA_CS1_SIZE (64 << 20) |
| #define CFG_CMA_CS2_BASE CMA_MB_SLOT2_BASE /* I/O SLOTS 2 + 3 */ |
| #define CFG_CMA_CS2_SIZE (64 << 20) |
| #define CFG_CMA_CS3_BASE CMA_MB_ROMLOW_BASE /* M/B I/O */ |
| #define CFG_CMA_CS3_SIZE (32 << 20) |
| |
| /* |
| * CS0 maps the EPROM on the cpu module |
| * Set it for 4 wait states, address CFG_MONITOR_BASE and size 1M |
| * |
| * Note: We must have already transferred control to the final location |
| * of the EPROM before these are used, because when BR0/OR0 are set, the |
| * mirror of the eprom at any other addresses will disappear. |
| */ |
| |
| /* base address = CFG_CMA_CS0_BASE, 16-bit, no parity, r/o, gpcm */ |
| #define CFG_BR0_PRELIM ((CFG_CMA_CS0_BASE&BR_BA_MSK)|BR_PS_16|BR_WP|BR_V) |
| /* mask size CFG_CMA_CS0_SIZE, CS time normal, burst inhibit, 4-wait states */ |
| #define CFG_OR0_PRELIM ((~(CFG_CMA_CS0_SIZE-1)&OR_AM_MSK)|OR_BI|OR_SCY_4_CLK) |
| |
| /* |
| * CS1 maps motherboard DRAM and motherboard I/O slot 1 |
| * (each 32Mbyte in size) |
| */ |
| |
| /* base address = CFG_CMA_CS1_BASE, 32-bit, no parity, r/w, gpcm */ |
| #define CFG_BR1_PRELIM ((CFG_CMA_CS1_BASE&BR_BA_MSK)|BR_V) |
| /* mask size CFG_CMA_CS1_SIZE, CS time normal, burst ok, ext xfer ack */ |
| #define CFG_OR1_PRELIM ((~(CFG_CMA_CS1_SIZE-1)&OR_AM_MSK)|OR_SETA) |
| |
| /* |
| * CS2 maps motherboard I/O slots 2 and 3 |
| * (each 32Mbyte in size) |
| */ |
| |
| /* base address = CFG_CMA_CS2_BASE, 32-bit, no parity, r/w, gpcm */ |
| #define CFG_BR2_PRELIM ((CFG_CMA_CS2_BASE&BR_BA_MSK)|BR_V) |
| /* mask size CFG_CMA_CS2_SIZE, CS time normal, burst ok, ext xfer ack */ |
| #define CFG_OR2_PRELIM ((~(CFG_CMA_CS2_SIZE-1)&OR_AM_MSK)|OR_SETA) |
| |
| /* |
| * CS3 maps motherboard I/O |
| * (32Mbyte in size) |
| */ |
| |
| /* base address = CFG_CMA_CS3_BASE, 32-bit, no parity, r/w, gpcm */ |
| #define CFG_BR3_PRELIM ((CFG_CMA_CS3_BASE&BR_BA_MSK)|BR_V) |
| /* mask size CFG_CMA_CS3_SIZE, CS time normal, burst inhibit, ext xfer ack */ |
| #define CFG_OR3_PRELIM ((~(CFG_CMA_CS3_SIZE-1)&OR_AM_MSK)|OR_BI|OR_SETA) |
| |
| #endif |
| |
| /* |
| * Internal Definitions |
| * |
| * Boot Flags |
| */ |
| #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
| #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| |
| #endif /* __CONFIG_H */ |
